Total Bridges
8,808
Public highway bridges in Washington
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.
Total Bridges
8,808
Public highway bridges in Washington
Good Condition
42.4%
3,734 bridges rated 7-9
-7.6pp vs 50% benchmark
Poor Condition
4.8%
424 bridges rated 0-4
Structurally Deficient
4.8%
424 bridges flagged for repair priority
-2.2pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Washington on the same metric.
06
05
53
18
20
Six lowest-condition bridges in Washington, ranked by composite NBI rating. Each is inspected at least every 24 months.
Over: NINE MILE CREEK
19.05 E SR 21, Ferry, WA
Over: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Over: WEST BRANCH LECLERC CREE
NO DATA ENTERED, Pend Oreille, WA
Over: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Over: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Over: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Over: BAKER RIVER
0.1 N MAIN ST, Skagit, WA
Over: HILINE CANAL
00.72 E FOX ROAD, Kittitas, WA
Over: POTHOLES CANAL
4.8 MILES SO. OF RT262, Grant, WA
Over: AMERICAN RIVER
00.03 S OF SR 410, Yakima, WA
Over: SULPHER CREEK WASTEWAY
00.02 W OF SR 241, Yakima, WA
Over: EAST LATERER #85
2.03 N JCT SR 260, Franklin, WA
Over: GREEN RIVER
1.5 MI E OF SR-18, King, WA
Over: LITTLE WHITE SALMON RIVE
5.60 NE JCT SR 14, Skamania, WA
Over: ROZA CANAL
00.17 E LUCY LANE, Yakima, WA
Over: WAPATO CANAL
00.51 W LATERAL "B", Yakima, WA
Over: BUR. NOR. RAILROAD
1.45 E JCT SR 3, Mason, WA
Over: WAHLUKE BRANCH CANAL
0.26 S ELBOW 394, Franklin, WA
Over: SCHUSTER PARKWAY
1.0 N JCT SR 509, Pierce, WA
Over: WILSON CREEK
1.7 NE JCT SR 4, Wahkiakum, WA
Over: WISHKAH RIVER
YOUNG STREET, Grays Harbor, WA
Over: HILINE CANAL
00.85 W MARKOVICH R, Kittitas, WA
Over: HILINE CANAL
01.26 SW I-90, Kittitas, WA
Over: CRAB CREEK
1.37 SE FAS L221, Lincoln, WA
Over: CITY WATERWAY- DOCK TO D
01.0 NO. JCT I-5, Pierce, WA
Over: SAN POIL RIVER
00.08E SR 21, Ferry, WA
Over: MONARCH (WYMAN) CREEK
05.9 N ABERDEEN, Grays Harbor, WA
Over: CLOQUALLUM CREEK
0.7 NE JCT CR 9740, Grays Harbor, WA
Over: LITTLE QUILCENE RIVER
0.4N JCT SR101, Jefferson, WA
Over: SNOQUALMIE RIVER
0.8 MI W OF SR-203, King, WA
Over: Cascade Creek
ORCAS ISLAND, San Juan, WA
Over: RUSSELL CREEK
00.323 N BRADEN RD, Walla Walla, WA
Over: WHISKEY CREEK
00.12S SR 12, Walla Walla, WA
Over: NINE MILE CANYON
00.13 E SR 12(W), Walla Walla, WA
Over: UP RR
03.0 W TOUCHET, Walla Walla, WA
Over: SQUALLICUM CRK-CMSTP&P R
0.07 NW JCT MADRONA ST, Whatcom, WA
Over: MCCOY CREEK
0.10 MI E SR 27, Whitman, WA
Over: TOPPENISH CREEK
0.03 S MARION DRAIN, Yakima, WA
Over: LAGOON
NUW CENTER KEYPORT, Kitsap, WA
Over: HILINE CANAL
00.27 W WOOD& STEEL, Kittitas, WA
Over: MARSHLAND FLOOD CANAL
0.9 E Jct I-5, Snohomish, WA
Over: TOPPENISH CREEK
0.79S MARION DRAIN, Yakima, WA
Over: WHETSTONE CREEK
0.01 S JCT 9218, Columbia, WA
Over: SCOOTENEY RESEVOIR
1.35 W JCT SR 17, Franklin, WA
Over: POTHOLES EAST CANAL
0.43 W SHF. WY 693, Franklin, WA
Over: ESQUATZEL COULEE WASTE W
0.12 W. FIRST AVE. MESA, Franklin, WA
Over: TEANAWAY RIVER
00.50 N&.45 W US970, Kittitas, WA
Over: NISQUALLY RIVER
0.25 MILES EAST OF LONGMI, Pierce, WA
Over: LEWIS RIVER
19.7 N JCT SR 502, Clark, WA
Over: ELTOPIA BRANCH CANAL
01.24 E JCT SR 395, Franklin, WA
Over: ELTOPIA BRANCH CANAL
00.64 S PHEND 880, Franklin, WA
Over: WAHLUKE BRANCH CANAL
1.36W COLUMBIA 416, Franklin, WA
Over: CHIMACUM CREEK
3.45 JCT FAS9517, Jefferson, WA
Over: TOUCHET RIVER
12.051N SR 12, Walla Walla, WA
Over: WEST CANAL W39.9
West Canal W39.9 Station, Grant, WA
Over: ROCKY BROOK CREEK
3.0NW JCT SR101, Jefferson, WA
Showing 1,351-1,400 of 8,808 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |